2491545

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 4642560

約数和(自身を除く): 2151015

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 105, 183, 305, 389, 427, 915, 1167, 1281, 1945, 2135, 2723, 5835, 6405, 8169, 13615, 23729, 40845, 71187, 118645, 166103, 355935, 498309, 830515, 2491545]

約数ペア:

[(1, 2491545), (3, 830515), (5, 498309), (7, 355935), (15, 166103), (21, 118645), (35, 71187), (61, 40845), (105, 23729), (183, 13615), (305, 8169), (389, 6405), (427, 5835), (915, 2723), (1167, 2135), (1281, 1945)]